Forest At World's End: Routine at BFAA

BFAA: Handler: User Pressed "DELETE"

Used by the routine at Handler_UserInput. The player pressed DELETE.
UserInput_Delete	BFAA	EX DE,HL	Jump back to UserInput_Loop when the buffer is still empty.
	BFAB	LD HL,$BB04
	BFAE	AND A
	BFAF	SBC HL,DE
	BFB1	EX DE,HL
	BFB2	JR Z,UserInput_Loop
Rub the previous character off the screen.
	BFB4	PUSH HL	Keep the buffer pointer safe.
	BFB5	LD HL,$BB58	Print " ".
	BFB8	CALL PrintString	Print " ".
	BFBB	POP HL	Restore the buffer pointer from the stack.
	BFBC	DEC HL	Step back one character and blank it.
	BFBD	LD (HL),$20	Step back one character and blank it.
	BFBF	JR UserInput_Loop	Jump back to UserInput_Loop for the next key.
View the equivalent code in; Heroes Of Karn The Jewels Of Babylon